diff --git a/meta-facebook/meta-bletchley/conf/local.conf.sample b/meta-facebook/meta-bletchley/conf/local.conf.sample
index bb86f34..0c5e4cd 100644
--- a/meta-facebook/meta-bletchley/conf/local.conf.sample
+++ b/meta-facebook/meta-bletchley/conf/local.conf.sample
@@ -126,12 +126,9 @@
 # enable extra features. Some available options which can be included in this variable
 # are:
 #   - 'buildstats' collect build statistics
-#   - 'image-mklibs' to reduce shared library files size for an image
 #   - 'image-prelink' in order to prelink the filesystem image
 #   - 'image-swab' to perform host system intrusion detection
-# NOTE: if listing mklibs & prelink both, then make sure mklibs is before prelink
-# NOTE: mklibs also needs to be explicitly enabled for a given image, see local.conf.extended
-USER_CLASSES ?= "buildstats image-mklibs image-prelink"
+USER_CLASSES ?= "buildstats image-prelink"
 
 #
 # Runtime testing of images